# [2-layer] JLCPCB Constraints
## Description
Use this template if you're planning to get your 1 to 2-layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template #manufacturer-design-rules
## Project Details
- **Owner:** luc
- **Created:** 6/4/2025
- **Last Updated:** 6/4/2025
- **Visibility:** Public
## Key Components
### J1 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md)
- Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN)
- Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf
- Manufacturer Name: JST Sales America Inc.
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
### J2 — [Pin Header 01x03 2.54mm Horizontal](https://www.flux.ai/adrian95/pin-header-01x03-254mm-horizontal~tgh.md)
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
### J3 — [Pin Socket 01x04 2.54mm Horizontal](https://www.flux.ai/adrian95/pin-socket-01x04-254mm-horizontal~vdj.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
- Pin_4 [pin 4]
### U1 — [Seeed Studio XIAO ESP32C6](https://www.flux.ai/seeedstudio/seeed-studio-xiao-esp32c6~3q.md)
- Datasheet URL: https://files.seeedstudio.com/wiki/SeeedStudio-XIAO-ESP32C6/XIAO-ESP32-C6_v1.0_SCH_PDF_24028.pdf
- wiki : https://wiki.seeedstudio.com/xiao_esp32c6_getting_started/
- Manufacturer Part Number: 113991254
- Purchase Url: https://www.seeedstudio.com/Seeed-Studio-XIAO-ESP32C6-p-5884.html
**Pins:**
- 3V3 [pin 12]
- 3V3_1 [pin 18]
- 5V [pin 14]
- BAT - [pin 21]
- BAT + [pin 20]
- BOOT_GPIO9 [pin 22]
- D10_MOSI_GPIO18_SDIO-CMD [pin 11]
- D7_RX_GPIO17 [pin 8]
- D8_SCK_GPIO19_SDIO-CLK [pin 9]
- D9_MISO_GPIO20_SDIO-DATA0 [pin 10]
- EN [pin 24]
- GND [pin 13]
- GND_1 [pin 16]
- GND_PAD [pin 19]
- GPIO_TX_D6 [pin 7]
- LP-GPIO0_GPIO0_0_D0 [pin 1]
- LP-GPIO1_GPIO1_A1_D1 [pin 2]
- LP-GPIO2_GPIO2_A2_D2 [pin 3]
- LP-I2C-SCL_LB-GPIO7_GPIO7_MTDO [pin 15]
- LP-I2C-SDA_LP-GPIO6_GPIO6_A6_MTCK [pin 17]
- MTDI_A5_GPIO5_LB-GPIO5_LP-UART-TXD [pin 25]
- MTMS_A4_GPIO4_LP-GPIO4_LP-UART-RXD [pin 23]
- SDIO-DATA1_GPIO21_D3 [pin 4]
- SDIO-DATA2_GPIO22_SDA_D4 [pin 5]
- SDIO-DATA3_GPIO23_SCL_D5 [pin 6]
### U2 — [DS18B20U+](https://www.flux.ai/adrian95/ds18b20uplus~te7.md)
- Part Type: Sensor
- Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/ds18b20.pdf
- Manufacturer Part Number: DS18B20U+
- Manufacturer Name: Analog Devices Inc./Maxim Integrated
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- DQ [pin 1]
- GND [pin 4]
- VDD [pin 8]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/luc/2-layer-jlcpcb-constraints~6d](https://www.flux.ai/luc/2-layer-jlcpcb-constraints~6d).*
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*Generated from [https://www.flux.ai/luc/2-layer-jlcpcb-constraints~6d](https://www.flux.ai/luc/2-layer-jlcpcb-constraints~6d)*